the player in error, if it was a turned card. There is no penalty for this error, but it must be corrected before another card is turned up by either player.
Players are not allowed to look at any of the unexposed cards in their hand or stock, under penalty of having a stop called on them; but a player may spread the cards on his own discard pile, which are all face up, provided he does not disturb their order. He cannot ask to see the extended discards of his adversary, unless that adversary extends them for his own information.
Before extending cards in this manner, either in the discards or in a sequence on the layout, the player must be careful to give notice that he is simply extending, and not playing, in case there is a card anywhere play-
